| ISLEOFSHEPPEY | Island in the Thames Estuary (4,2,7) |
| SHEPPEY | Name of an island in the Thames estuary |
| CANVEYISLAND | Area of land in the Thames Estuary in Essex, separated from the mainland by a network of creeks (6,6) |
| AVIATOR | Amy Johnson, whose career came to an end in the Thames estuary in 1941, was a famous one of these (7) |
| CANVEY | ____ Island, town in the Thames Estuary near Southend-on-Sea (6) |
| SOUTHENDONSEA | City in Essex on the Thames estuary (8-2-3) |
| RIVIERA | Island in the Thames, say - a holiday destination (7) |
| ISIS | Is an island in the Thames! (4) |
| AIT | Small island in the Thames |
| ESSEX | County in South Eastern England on the North Sea and the Thames estuary (5) |
| DARTFORD | Town in Kent on the Thames estuary |
| MEDWAY | River that empties into the Thames Estuary near Sheerness (6) |
| DOWNSTREAM | Bluewater is nearer the Thames estuary than London? |
| OTTERS | Riverside residents on the Thames estuary, rock stars originally (6) |
| KENT | What the Thames Estuary borders |
| READING | Large town in the Thames Valley (pop about 230,000), dating from the 8th century (7) |
| GLORIANA | Royal barge, the lead vessel in the Thames Diamond Jubilee Pageant of 2012 (8) |
| DENNIS | ___ Rickman, son of Sharon Watts who drowned in the Thames in EastEnders (6) |
| EYOT | Rowing crew, we hear, as in the Thames (4) |
| HAM | Cured pork in the Thames (3) |
